2008-05-03 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / linux64.h

diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h
index 3a37f63..37ede61 100644 (file)
--- a/gcc/config/i386/linux64.h
+++ b/gcc/config/i386/linux64.h
@@ -1,12 +1,13 @@
 /* Definitions for AMD x86-64 running Linux-based GNU systems with ELF format.
-   Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007
+   Free Software Foundation, Inc.
    Contributed by Jan Hubicka <jh@suse.cz>, based on linux.h.
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
 GCC is distributed in the hope that it will be useful,
@@ -15,21 +16,19 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
+#if TARGET_64BIT_DEFAULT
 #define TARGET_VERSION fprintf (stderr, " (x86-64 Linux/ELF)");
+#else
+#define TARGET_VERSION fprintf (stderr, " (i386 Linux/ELF)");
+#endif
 
 #define TARGET_OS_CPP_BUILTINS()                               \
   do                                                           \
     {                                                          \
        LINUX_TARGET_OS_CPP_BUILTINS();                         \
-       if (flag_pic)                                           \
-         {                                                     \
-           builtin_define ("__PIC__");                         \
-           builtin_define ("__pic__");                         \
-         }                                                     \
     }                                                          \
   while (0)
 
@@ -54,17 +53,47 @@ Boston, MA 02110-1301, USA.  */
    When the -shared link option is used a final link is not being
    done.  */
 
+#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
+
+#if TARGET_64BIT_DEFAULT
+#define SPEC_32 "m32"
+#define SPEC_64 "!m32"
+#else
+#define SPEC_32 "!m64"
+#define SPEC_64 "m64"
+#endif
+
 #undef LINK_SPEC
-#define LINK_SPEC "%{!m32:-m elf_x86_64} %{m32:-m elf_i386} \
+#define LINK_SPEC "%{" SPEC_64 ":-m elf_x86_64} %{" SPEC_32 ":-m elf_i386} \
   %{shared:-shared} \
   %{!shared: \
     %{!static: \
       %{rdynamic:-export-dynamic} \
-      %{m32:%{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
-      %{!m32:%{!dynamic-linker:-dynamic-linker /lib64/ld-linux-x86-64.so.2}}} \
+      %{" SPEC_32 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}} \
+      %{" SPEC_64 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}} \
     %{static:-static}}"
 
+/* Similar to standard Linux, but adding -ffast-math support.  */
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
+   %{mpc32:crtprec32.o%s} \
+   %{mpc64:crtprec64.o%s} \
+   %{mpc80:crtprec80.o%s} \
+   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
+
+#if TARGET_64BIT_DEFAULT
 #define MULTILIB_DEFAULTS { "m64" }
+#else
+#define MULTILIB_DEFAULTS { "m32" }
+#endif
+
+/* Put all *tf routines in libgcc.  */
+#undef LIBGCC2_HAS_TF_MODE
+#define LIBGCC2_HAS_TF_MODE TARGET_64BIT
+#define LIBGCC2_TF_CEXT q
+#define TF_SIZE 113
 
 #undef NEED_INDICATE_EXEC_STACK
 #define NEED_INDICATE_EXEC_STACK 1